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