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)(17,18,22,26,23,27,21,24)(19,20,25,29,28,30,31,32)(1,3,5,4)(2,6,8,7)(9,10)(11,15)(12,14)(13,16)(18,24)(19,28)(20,29)(21,22)(26,27)(30,32)(1,3,5,4)(2,7,8,6)(9,11,12,16)(10,13,14,15)(17,19,23,28)(18,20,27,30)(21,31,22,25)(24,32,26,29)(11,16)(13,15)(17,20,22,29,23,30,21,32)(18,25,26,28,27,31,24,19)(1,4,5,3)(2,7,8,6)(10,14)(13,15)(17,21,23,22)(18,24,27,26)(19,25,28,31)(20,29,30,32)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.