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