One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,11)(4,9)(5,8)(6,10)(7,13)(12,15)(14,16)(17,18,22,26)(19,27,29,46)(20,31,33,45)(21,36,34,25)(23,38,39,28)(24,41,43,35)(30,47,37,42)(32,44,48,40)(1,3)(2,7)(4,14)(5,13)(6,12)(8,15)(9,11)(10,16)(17,19,22,29)(18,23,26,39)(20,32,33,48)(21,37,34,30)(24,42,43,47)(25,44,36,40)(27,45,46,31)(28,41,38,35)(2,8)(4,5)(7,15)(9,10)(11,16)(13,14)(20,33)(24,43)(27,46)(28,38)(31,45)(32,48)(35,41)(42,47) involution — undirected(3,12)(7,16)(11,15)(13,14)(17,20,34,41,22,33,21,35)(18,24,36,45,26,43,25,31)(19,28,37,48,29,38,30,32)(23,27,44,47,39,46,40,42)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.