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