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