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