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