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