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