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