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