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