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