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