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