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