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