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