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