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