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