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