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