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