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)(12,19)(13,22)(14,17)(16,18)(20,24)(21,23) involution — undirected(1,2)(3,6)(4,7)(5,8)(9,11,14,13)(10,15,17,22)(12,20,21,18)(16,19,24,23)(9,12,14,21)(10,16,17,24)(11,18,13,20)(15,23,22,19)(2,6)(3,8)(5,7)(10,17)(15,22)(16,24)(19,23) 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.