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