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