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