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