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