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