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