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