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