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