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