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