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