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