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