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