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