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