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