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