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