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