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)(17,18,22,21)(19,20,24,23)(6,8)(9,10,13,14)(11,12,15,16)(17,19,22,24)(18,23,21,20)(5,6)(7,8)(10,14)(12,16)(17,20,22,23)(18,24,21,19)(1,2)(3,4)(9,11)(10,12)(13,15)(14,16)(17,19)(18,20)(21,23)(22,24) involution — undirected(9,12)(10,15)(11,14)(13,16)(17,21,22,18)(19,20,24,23)A 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.