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