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