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