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