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