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