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