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