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