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