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