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