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