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