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