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