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