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