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