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