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