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