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