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)(18,21)(19,20)(26,29)(27,28)(33,34,39,36)(35,42,38,40)(37,44,46,41)(43,47,45,48)(1,3,7,11)(2,8,10,6)(4,12,9,16)(5,13,15,14)(17,18,23,21)(19,25,20,24)(22,26,30,29)(27,32,28,31)(33,35,39,38)(34,40,36,42)(37,43,46,45)(41,47,44,48)(3,11)(6,8)(12,16)(13,14)(17,19,23,20)(18,24,21,25)(22,27,30,28)(26,31,29,32)(33,36,39,34)(35,40,38,42)(37,44,46,41)(43,47,45,48)(1,4)(2,5)(3,12)(6,14)(7,9)(8,13)(10,15)(11,16)(17,20,23,19)(18,25,21,24)(22,28,30,27)(26,32,29,31)(33,37)(34,41)(35,43)(36,44)(38,45)(39,46)(40,47)(42,48)(1,5)(2,9)(3,13)(4,10)(6,12)(7,15)(8,16)(11,14)(17,21,23,18)(19,25,20,24)(22,29,30,26)(27,32,28,31)(1,6)(2,3)(4,14)(5,12)(7,8)(9,13)(10,11)(15,16)(17,22,23,30)(18,26,21,29)(19,27,20,28)(24,31,25,32)(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.