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