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