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