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