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