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