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