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