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