One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(6,8)(9,10)(11,17)(12,20)(13,16)(14,18)(15,21)(19,24)(22,23) involution — undirected(1,2)(3,6)(4,5)(7,8)(12,21)(14,23)(15,20)(18,22) involution — undirected(1,3,4,7)(2,6,5,8)(9,11)(10,14)(12,22)(13,19)(15,24)(16,23)(17,20)(18,21)(2,5)(6,8)(12,21)(15,20)(17,24)(18,22) 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.