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