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