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