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