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