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