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