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