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