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