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