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