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