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)(20,27)(21,22)(24,26)(25,30)(28,31)(29,32)(1,2)(3,8)(4,7)(5,6)(9,11,13,16)(10,14,12,15)(17,19,22,26)(18,24,21,23)(20,27,29,32)(25,30,28,31)(1,3,5,4)(2,7,6,8)(9,10,13,12)(11,15,16,14)(17,20,22,29)(18,25,21,28)(19,27,26,32)(23,31,24,30)(1,4,5,3)(2,7,6,8)(17,21,22,18)(19,24,26,23)(20,28,29,25)(27,30,32,31)(9,12,13,10)(11,14,16,15)(18,21)(19,26)(25,28)(27,32)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.