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