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