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