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