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