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