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