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