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