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