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