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