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