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