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