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