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