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