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