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