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