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