One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,3)(4,6,8,7)(9,10,15,16)(11,12,14,13)(18,21)(19,23)(26,30)(28,32)(2,3)(6,7)(9,11,15,14)(10,13,16,12)(19,23)(22,24)(26,30)(27,31)(1,2,5,3)(4,7,8,6)(9,12,15,13)(10,11,16,14)(17,18)(19,22)(20,21)(23,24)(25,26,29,30)(27,28,31,32)(1,3,5,2)(4,7,8,6)(9,13,15,12)(10,11,16,14)(17,19,20,23)(18,22,21,24)(25,27,29,31)(26,28,30,32)(1,4,5,8)(2,6,3,7)(9,14,15,11)(10,12,16,13)(17,18)(19,22)(20,21)(23,24)(25,28)(26,31)(27,30)(29,32)A 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.