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