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