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