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