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