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