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