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