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