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