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