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