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