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