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