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