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