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