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