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