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