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