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