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