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