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