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