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