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