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