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