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