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