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