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