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