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