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