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