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