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