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