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)(19,22)(20,24)(21,25)(23,26)(27,30)(28,31)(29,32)(33,34,38,40,36,39,37,42)(35,43,46,48,44,41,45,47)(1,3,6,13)(2,7,10,11)(4,12,5,14)(8,15,9,16)(17,19,21,26)(18,22,25,23)(20,28,29,27)(24,31,32,30)(34,39)(40,42)(41,43)(47,48)(1,4,6,5)(2,8,10,9)(3,12,13,14)(7,15,11,16)(17,19)(18,23)(20,27)(21,26)(22,25)(24,31)(28,29)(30,32)(34,40)(37,38)(39,42)(41,47)(43,48)(45,46)(1,5,6,4)(2,9,10,8)(3,12,13,14)(7,15,11,16)(19,26)(22,23)(27,28)(30,31)(33,35)(34,41)(36,44)(37,45)(38,46)(39,43)(40,47)(42,48)(2,10)(7,11)(8,9)(15,16)(17,20,21,29)(18,24,25,32)(19,27,26,28)(22,30,23,31)(34,39)(35,44)(40,42)(45,46)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.