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