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