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