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