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