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