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