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