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