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