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