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