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)(18,22)(19,25)(24,27)(26,28)(33,34,39,37)(35,40,45,47)(36,42,46,41)(38,48,44,43)(1,3,7,4)(2,8,9,6)(5,12,14,11)(10,13,16,15)(17,18)(19,23)(20,27)(21,22)(24,29)(25,30)(26,32)(28,31)(33,35,39,45)(34,40,37,47)(36,44,46,38)(41,48,42,43)(2,9)(3,4)(10,16)(11,12)(17,19,21,25)(18,23,22,30)(20,26,29,28)(24,31,27,32)(33,36,39,46)(34,41,37,42)(35,38,45,44)(40,43,47,48)(1,4,7,3)(2,6,9,8)(5,12,14,11)(10,13,16,15)(17,19)(18,23)(20,28)(21,25)(22,30)(24,32)(26,29)(27,31)(33,36)(34,42)(35,44)(37,41)(38,45)(39,46)(40,43)(47,48)(1,5,7,14)(2,10,9,16)(3,11,4,12)(6,13,8,15)(17,20,21,29)(18,24,22,27)(19,26,25,28)(23,31,30,32)(33,37,39,34)(35,40,45,47)(36,42,46,41)(38,43,44,48)(1,6)(2,3)(4,9)(5,13)(7,8)(10,11)(12,16)(14,15)(17,18)(19,23)(20,27)(21,22)(24,29)(25,30)(26,32)(28,31)(33,38,39,44)(34,43,37,48)(35,36,45,46)(40,41,47,42)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.