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