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