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