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