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