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