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)(19,27)(20,26)(21,23)(22,25)(24,28)(29,32)(30,31)(1,3,13,16,6,15,5,14)(2,7,11,8,10,4,9,12)(18,23)(24,31)(25,26)(27,32)(1,3,6,15)(2,8,10,12)(4,9,7,11)(5,14,13,16)(17,19,22,28,21,29,20,30)(18,24,26,27,23,31,25,32)(1,4,5,8,6,7,13,12)(2,3,9,14,10,15,11,16)(17,20,21,22)(18,25,23,26)(19,28,29,30)(24,27,31,32)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.