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