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