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