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