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