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