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