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