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