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