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