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