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