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