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