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