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