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