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