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