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