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