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