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