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