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