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