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