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