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