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