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