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