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