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