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