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