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