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