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