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