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