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