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