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