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