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