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