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