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