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