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