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