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