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