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