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