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