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