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