One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,7)(4,5)(6,8)(9,10)(11,15)(12,14)(13,16)(17,18,19,21)(20,22,24,23)(2,5)(3,8)(9,11)(10,13)(12,16)(14,15)(18,21)(22,23) involution — undirected(11,16)(13,15)(18,22)(20,24)(21,23) involution — undirected(1,3,4,8)(2,6,5,7)(10,14)(13,15)(18,21)(22,23)(2,5)(6,7)(18,21)(22,23) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.