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)(11,12)(13,15)(14,16)(17,18,20,22)(19,21,23,24)(1,3)(2,4)(5,6)(7,8)(9,11,14,13)(10,12,16,15)(17,18)(19,21)(20,22)(23,24)(1,2)(3,8)(4,6)(5,7)(9,11,14,13)(10,15,16,12)(9,12,14,15)(10,11,16,13)(1,4,5,8)(2,6,7,3)(9,13,14,11)(10,15,16,12)(17,19,20,23)(18,21,22,24)(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.