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