After reading Book 10 of The Odyssey and looking at four paintings of Circe, I think "Circe Offering the Cup to Ulysses" by John William Waterhouse (1891) shows Circe as a powerful and enchanting character the best.
In Homer's story, Circe is described as a beautiful nymph with "lovely braids," and she has amazing magical powers (SparkNotes). In Waterhouse's painting, we see Circe sitting on a golden throne, confidently offering a potion to Ulysses. She looks very enchanting, and the pig next to her suggests that she can transform people, which fits her magical abilities. The bright colors and detailed artwork highlight how divine and strong she is (Art Renewal Center).
On the other hand, the other paintings give different views of Circe. For example, Briton Rivière's "Circe and the Friends of Ulysses" (1871) shows a younger Circe in a plain white dress, which doesn’t really show her seductive and powerful side (The Art Inspector). Wright Barker's "Circe" (1889) makes her look majestic but focuses more on her as a musician with animals around her, which takes away from her magical aspect (Bridgeman Images). Frederick S. Church's "Circe" (1910) is more abstract and shows her connection to nature and animals, but it doesn’t really match the way she's portrayed in the text (Smithsonian Institution).
So, I believe Waterhouse's painting best captures Circe's seductive power and magical abilities as described in the story.