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