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