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