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