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