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