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