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