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