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