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