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