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