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