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