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