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