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