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