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