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