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