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