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