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