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