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