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)(17,18,22,23)(19,21,26,24)(20,28,29,25)(27,31,32,30)(33,34)(35,40)(36,38)(37,41)(39,43)(42,47)(44,48)(45,46)(2,4)(7,9)(8,12)(14,15)(18,23)(19,26)(20,29)(30,31)(33,35,39,47)(34,40,43,42)(36,45,37,44)(38,46,41,48)(5,13)(8,12)(10,16)(14,15)(18,23)(21,24)(25,28)(30,31)(33,36,39,37)(34,41,43,38)(35,44,47,45)(40,46,42,48)(1,3,6,11)(2,7,4,9)(5,10,13,16)(8,14,12,15)(17,19,22,26)(18,24,23,21)(20,27,29,32)(25,31,28,30)(33,37,39,36)(34,41,43,38)(35,45,47,44)(40,46,42,48)(1,4,6,2)(3,9,11,7)(5,12,13,8)(10,15,16,14)(17,20)(18,25)(19,27)(21,30)(22,29)(23,28)(24,31)(26,32)(33,35)(34,42)(36,44)(37,45)(38,46)(39,47)(40,43)(41,48)(1,5,6,13)(2,8,4,12)(3,10,11,16)(7,14,9,15)(17,21,22,24)(18,26,23,19)(20,30,29,31)(25,32,28,27)(33,38,39,41)(34,36,43,37)(35,46,47,48)(40,45,42,44)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.