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