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