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