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