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