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