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