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