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