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