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