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