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