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