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