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