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