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