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