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