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