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