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