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