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