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