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