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