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