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