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