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