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