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