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