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