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