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