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