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