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