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