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