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