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