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